混合型多电平逆变器电路设计研究
5、结论
本文针对混合电平式逆变器和混合单元式逆变器存在的高压单元功率器件电压应力过高、低压单元电流倒灌的问题，提出了高压单元采用二极管箝位型拓扑结构，选取各单元适当电压比的设计方法，经分析及仿真实验表明，该方法在克服电压应力过高、消除低压单元电流倒灌方面是有效的。
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